Used 2020s Keeley 4 Knob Compressor Effect Pedal

Get smooth, studio-style compression on your pedalboard with this used 2020s Keeley 4 Knob Compressor in fair condition. Featuring four intuitive controls for Level, Sustain, Attack, and Clipping, it delivers everything from subtle peak leveling to punchy country snap and singing sustain. Built with a rugged compact enclosure and standard 1/4" input/output jacks, it runs on a 9V DC center-negative supply for easy integration with most pedal power setups.